Sunspot data for 8 September 2022 of period 2022Q3: (PREV DAY - NEXT DAY)
| Sun220908_0953UTC_sketch.jpg | Sun220908_0957UTC.jpg |
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 |  Click here for the sharpened image. |
This morning started out fully overcast, but the observation was made in the first small clearance of the day under an otherwise with about 80% cumuli overcast sky. Transparency was excellent, and the scintillation monitor reported very good seeing on average. I made the following observation:
Observation date/time: 08 September 09:53 UTC Telescope: GTT60 (Galileo Type Telescope) Focal length: 1490mm (plano convex singlet) Aperture: 60mm Stop: 30mm Eyepiece: -75mm (plano concave singlet, 24mm aperture) Observation type: projection (352mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.160ms Seeing (SSSMon): 2.5-3.0" (1.5" at best) =================================================================== Total number of sunspots: 16 | |
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